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I need the answer to this as fast as possible thank you

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

3x + 4y = 5 x- 3y = -7 solve by substitution

Find the missing dimension! need asap! tiny square is a =3025 in ²